This lesson continues solving addition and subtraction problems, using the method of making 10 to solve the problem. This method allows students to see the numbers in a group of 10, which can be easier for some to solve.

Lesson 4: Even and Odd Numbers (October 9-13)

This lesson reviews even and odd numbers and how they relate to counting and making groups. This week will also review solving one-step math problems from the previous lesson.